Point Forecast Matrices
Issued by NWS Charleston, SC

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10
000
FOUS52 KCHS 182302
PFMCHS

Point Forecast Matrices
National Weather Service Charleston SC
701 PM EDT Fri Aug 18 2017

SCZ050-190900-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
701 PM EDT Fri Aug 18 2017

Date           08/18/17      Sat 08/19/17            Sun 08/20/17            Mon
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      79          94          77          92          77
Temp             86 83 80 79 80 90 93 92 85 81 79 78 79 90 92 90 83 80 78 77 78
Dewpt            77 78 77 76 76 77 76 76 77 77 76 76 77 76 76 75 76 77 76 76 76
RH               75 85 91 91 88 66 58 60 77 88 91 94 94 64 60 62 80 91 94 97 94
Wind dir          S SW SW SW SW SW SW  S  S SW SW SW SW  S  S  S  S  S  S  S SE
Wind spd          9  8  6  5  2  6 10 11  6  4  3  2  2  4  5  8  6  4  3  1  1
Clouds           FW SC SC SC SC SC B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC
PoP 12hr                     10          30          20          20          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S  C  C  S  S  S  S  S  S  S  S  S  S  S  S  S
Tstms                            S  C  C  S  S  S  S  S  S  S  S  S  S  S  S  S
Heat index       97 93         103106105 96            102105101 91
Max heat        100    96         106   107    92         105   105


Date           08/21  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
EDT 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          90      76    91      75    92      75    90      74    87
Temp          90 82   77 77 90 82   76 76 92 82   78 76 90 82   77 75 87 81
Dewpt         76 76   75 76 76 76   75 75 76 76   75 75 75 76   74 73 74 73
PWind dir        SE      SW     S      SW    SW      SW    SW       W    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1   SC SC SC B1   SC SC SC B1   B1 B1 B1 B1   B1 B1 B1 B2
PoP 12hr         30      20    30      20    40      30    50      50    50
Rain shwrs     C  C    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C
Tstms          C  C    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C

$$
GAZ118-190900-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
701 PM EDT Fri Aug 18 2017

Date           08/18/17      Sat 08/19/17            Sun 08/20/17            Mon
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      77          94          77          93          77
Temp             86 83 80 77 79 90 94 93 87 82 79 77 79 90 93 91 85 81 78 77 78
Dewpt            76 76 75 75 75 75 74 74 75 75 76 75 75 76 75 74 76 76 76 76 75
RH               72 80 85 94 88 62 53 54 68 79 91 94 88 64 56 58 75 85 94 97 91
Wind dir          S  S SW SW SW SW SW  S  S  S SW SW SW  S SE SE SE  S  S  S  S
Wind spd          8  5  5  3  1  5  6  6  5  4  3  2  2  3  5  6  6  5  3  2  1
Clouds           SC SC SC SC SC SC B1 B1 B1 SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1
PoP 12hr                     10          20          20          20          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  S  S  S  S  S  S  S  S  S        S  S  S
Tstms                               S  S  S  S  S  S  S  S  S  S        S  S  S
Heat index       96 91         101105103 96            102105101 94
Max heat         99    93         105   105    94         105   105    91


Date           08/21  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
EDT 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          91      76    92      75    92      75    91      75    89
Temp          90 83   78 78 91 82   76 76 92 83   77 76 91 83   77 76 89 81
Dewpt         75 75   75 75 76 75   75 74 75 76   75 74 75 76   75 74 74 74
PWind dir        SE       S     S      SW    SW      SW    SW       W    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1   B1 SC SC B1   SC SC SC B1   SC SC B1 B1   B1 B1 B1 B2
PoP 12hr         30      20    30      20    40      30    50      40    50
Rain shwrs     C  C    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C
Tstms          C  C    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C

$$
SCZ050-190900-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
701 PM EDT Fri Aug 18 2017

Date           08/18/17      Sat 08/19/17            Sun 08/20/17            Mon
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      81          92          79          91          79
Temp             86 83 82 81 81 89 92 91 85 82 81 80 81 89 91 89 83 81 80 79 80
Dewpt            79 79 78 77 77 77 77 77 78 77 77 77 77 77 76 76 77 77 77 76 77
RH               80 88 88 88 88 68 62 64 80 85 88 91 88 68 62 66 82 88 91 91 91
Wind dir          S SW SW SW SW SW SW  S  S SW SW SW SW  S  S  S  S  S  S  S  S
Wind spd         12 11 10  8  5  8 11 13  9  6  5  4  4  5  6  8  8  6  5  3  2
Clouds           FW SC SC SC SC SC B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 SC B1
PoP 12hr                     10          30          20          20          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       C  C  C  S  S  S  S  S  S  S  S  S  S  S  S  S
Tstms                            C  C  C  S  S  S  S  S  S  S  S  S  S  S  S  S
Heat index       98 94 91      101106104 97 90         100103100 92
Max heat        100    97    91   106   106    93         103   103    90


Date           08/21  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
EDT 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          89      78    90      78    90      77    89      76    87
Temp          89 82   79 79 90 82   78 78 90 82   79 78 89 82   77 77 86 81
Dewpt         76 76   76 76 76 76   76 76 76 77   76 76 76 76   75 74 74 74
PWind dir         S      SW     S      SW    SW      SW    SW      SW    NE
Wind char        LT      LT    LT      LT    GN      GN    LT      LT    GN
Avg clouds    B1 B1   SC SC SC SC   SC SC SC B1   SC B1 B1 B1   B1 B2 B1 B2
PoP 12hr         30      20    30      20    30      30    50      50    50
Rain shwrs     C  C    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C
Tstms          C  C    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C

$$
SCZ048-190900-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
701 PM EDT Fri Aug 18 2017

Date           08/18/17      Sat 08/19/17            Sun 08/20/17            Mon
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      78          94          77          93          77
Temp             86 83 81 79 80 89 94 92 86 82 80 78 80 90 93 90 84 81 79 77 80
Dewpt            77 78 76 76 75 76 75 75 77 76 77 75 76 76 75 75 76 77 76 76 76
RH               75 85 85 91 85 66 54 58 75 82 91 91 88 64 56 62 77 88 91 97 88
Wind dir          S SW SW SW SW SW SW SW  S  S SW SW SW  S  S SE  S  S  S  S  S
Wind spd          8  6  6  4  2  5  8  8  5  4  3  3  3  3  4  6  5  4  4  2  1
Clouds           FW SC SC SC SC SC B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1
PoP 12hr                     10          20          20          20          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Tstms                            S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Heat index       97 93         100106103 97            102105101 93
Max heat        100    96         106   106    94         105   103


Date           08/21  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
EDT 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          90      76    91      75    91      75    90      74    87
Temp          89 83   77 77 90 82   77 77 91 82   78 77 90 81   76 75 87 80
Dewpt         75 75   75 75 75 75   75 75 75 76   75 74 74 75   74 74 73 73
PWind dir        SE       S     S      SW    SW      SW    SW       W    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1   B1 SC SC B1   SC SC SC B1   SC SC B1 B1   B1 B1 B1 B2
PoP 12hr         30      20    30      20    30      30    50      40    50
Rain shwrs     C  C    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C
Tstms          C  C    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C

$$
SCZ043-190900-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
701 PM EDT Fri Aug 18 2017

Date           08/18/17      Sat 08/19/17            Sun 08/20/17            Mon
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      76          95          75          94          75
Temp             86 81 79 77 78 88 94 94 85 80 78 76 78 89 94 92 84 79 77 76 77
Dewpt            75 76 76 76 75 75 74 72 75 75 75 74 75 75 74 73 75 75 75 75 75
RH               70 85 91 97 91 66 53 49 72 85 91 94 91 64 53 54 74 88 94 97 94
Wind dir          S  S SW SW SW SW SW SW SW  S  S SW SW  S  S SE  S  S  S SE  E
Wind spd          6  5  4  2  0  4  6  5  3  2  2  1  1  2  4  5  4  3  2  1  0
Clouds           SC SC FW FW SC SC B1 SC SC SC SC SC SC SC B1 B1 B1 SC SC SC SC
PoP 12hr                     20          20          10          20          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S                 S  S                 S  S  S              S
Tstms             S                 S  S                 S  S  S              S
Heat index       95             98105102 94             99105101 92
Max heat         97    90         105   105    90         105   105


Date           08/21  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
EDT 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          91      74    92      74    92      74    91      73    87
Temp          91 83   76 76 92 82   76 76 91 82   76 75 91 82   75 74 87 79
Dewpt         74 75   74 74 74 75   74 74 74 75   74 74 74 74   73 72 72 72
PWind dir        SE      SW     S      SW    SW      SW    SW      SW    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1   SC SC SC B1   SC SC SC B1   SC SC B1 B1   B1 B1 B1 B2
PoP 12hr         30      20    30      20    40      30    50      40    50
Rain shwrs     C  C    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C
Tstms          C  C    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C

$$
GAZ099-190900-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
701 PM EDT Fri Aug 18 2017

Date           08/18/17      Sat 08/19/17            Sun 08/20/17            Mon
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      76          95          75          95          75
Temp             89 82 80 77 77 88 93 95 87 80 78 76 77 89 95 94 85 80 77 75 77
Dewpt            73 75 74 74 74 74 71 71 72 73 74 72 74 74 73 73 75 75 75 74 75
RH               59 79 82 90 90 63 49 46 61 79 88 87 90 61 49 51 72 85 94 97 94
Wind dir         SW SW SW  W  W  W  W  W  S  S  S SW SW  S  S SE SE SE  S SE  E
Wind spd          4  3  3  2  0  3  5  5  3  2  1  0  0  1  3  5  4  3  3  2  0
Clouds           SC SC FW FW FW SC SC SC SC SC FW FW FW SC SC B1 B1 SC SC SC B1
PoP 12hr                     20          20           5          20          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  S              S  S                 S  S  S              S
Tstms             S  S              S  S                 S  S  S              S
Heat index       97             97100103 94             98105103 94
Max heat        100    94         100   103    90         105   105    90


Date           08/21  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
EDT 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          92      75    93      75    94      75    93      74    89
Temp          92 84   77 76 92 85   77 76 93 86   78 76 92 84   77 75 89 82
Dewpt         74 75   75 75 74 76   75 75 74 75   75 75 74 76   74 74 72 73
PWind dir        SE       S     S       S    SW      SW     W       W    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1   B1 SC SC B1   SC SC SC B1   SC SC SC B1   B1 B1 B1 B2
PoP 12hr         30      10    30      20    40      20    50      40    50
Rain shwrs     C  C          C  C    S  S  C  C    S  S  C  C    C  C  C  C
Tstms          C  C          C  C    S  S  C  C    S  S  C  C    C  C  C  C

$$

PRODUCT KEY...

--- Cloud Cover ---
CODE   PERCENTAGE            SKY COVER DAY/NIGHT
 CL    0 TO <=5 percent      Sunny/Clear
 FW    >5 TO <=25 percent    Sunny/Mostly Clear
 SC    >25 TO <=50 percent   Partly Cloudy
 B1    >50 TO <=69 percent   Mostly Cloudy
 B2    >69 TO <=87 percent   Mostly Cloudy
 OV    >87 TO 100 percent    Cloudy

--- Obstructions to Visibility ---    --- Weather Coverage ---
CODE   TYPE                           CODE   QUALIFYING TERM
 F     Fog                             S     Slight
 PF    Patchy Fog                      C     Chance
 F+    Dense Fog                       L     Likely
 PF+   Patchy Dense Fog                O     Occasional
 H     Haze                            D     Definite
 BS    Blowing Snow
 K     Smoke
 BD    Blowing Dust
 AF    Volcanic Ashfall

--- Extended Wind Forecast Character ---
                           12-HR MAX SUSTAINED
CODE   WIND CHARACTER          WIND SPEED
 LT    Light                   < 8 mph
 GN    Gentle                  8-14 mph
 BZ    Breezy                  15-22 mph
 WY    Windy                   23-30 mph
 VW    Very Windy              31-39 mph
 SD    Strong/Damaging         >=40 mph

$$




USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.